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Available for new work

Umut Kaplan

$ software & front-end developer — front-end engineering

I build fast, carefully-detailed web products — from R&D prototypes to production infrastructure. Formerly R&D & Software Communications at HMS Yazılım, founder of UKBT Developments. Equally at home in application code and in brand visuals.

Get in touch View projects GitHub Resume EN ↗ Resume KR ↗
Years building
6+
Shipped projects
5
Roles held
3
Based in
Istanbul
  • TypeScript
  • SvelteKit
  • React
  • Next.js
  • Tailwind
  • Golang
  • Python
  • C# / XAML
  • Lua
  • Nginx
  • AWS
  • Figma
  • After Effects

Experience

Full background ↗
  • ▸ Led R&D initiatives that shaped improvements to core software products and services.
  • ▸ Served as primary contact for technical support, client communication, and mobile app development.
  • ▸ Produced promotional video content and designed branded websites.

Selected work

All 5 ↗
  • 01

    SweetByKim

    featured 2026

    A modern, responsive bakery website built with SvelteKit and SSR. Deployed on AWS Lightsail with Nginx, SSL, and full production infrastructure.

    sveltekitssrawsnginxtypescript
    Live Site ↗
  • 02

    Portfolio

    featured 2026

    Personal developer portfolio built with SvelteKit featuring Catppuccin theme system, dynamic widgets, and responsive design.

    sveltekitcatppuccintypescriptportfolio
    GitHub ↗
  • 03

    İftar Vaktim

    featured 2026

    A web application showing iftar (fast-breaking) times. Built with TypeScript.

    typescriptweb-app
    GitHub ↗
  • 04

    XSLT Viewer

    2025

    An HTML-based XSLT document viewer tool for rendering and previewing XML transformations.

    htmlxsltxmltools
    GitHub ↗
  • 05

    FiveM Scripts Collection

    2021

    Custom FiveM (GTA V) Lua scripts developed under UKBT Developments. Includes multicharacter, phone, inventory, and pole dance systems.

    luafivemgtavgame-dev
    Inventory ↗Multichar ↗

Live dashboard

Get in touch Available

Let's work together

Freelance projects, full-time roles or just a question about the stack — replies usually land within a day.

Send an email Book a 15-min call ↗
Based in 41.0082° N, 28.9784° E

Istanbul, Turkey

local --:-- UTC+3
Appearance mocha / peach

Four Catppuccin palettes, fourteen accents. Your pick is saved locally and re-tints the whole site — background included.

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Recent activity
github.com/umutkaplan ↗
TypeScript 30.4%
Svelte 21.5%
Lua 18.8%
HTML/CSS 13.1%
JavaScript 9.5%
Let's build something

Have a project in mind?

I'm open to freelance work, full-time roles and interesting collaborations. Reply time is usually under a day.

umutkaplanbusiness@gmail.com Book 15 min ↗